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Radiocommunications Equipment On Flight Deck  
User currently offlineJulesmusician From , joined Dec 1969, posts, RR:
Posted (8 years 9 months 1 week 6 days 23 hours ago) and read 2590 times:

For modern commercial airliners what RF equipment do they have on the deck - obviously VHF equipment, and navigation on VHF plus transponders - but could someone explain to me what/how HF is used - I have heard pilots say "we will have to try them on HF" - also is it possible now to phone direct from the flight deck to anywhere in the world if there was an issue that you wanted to chat through with an engineers/doctor etc or does this still have to be done through normal radio communications?

J

[Edited 2005-11-13 16:45:38]

7 replies: All unread, jump to last
 
User currently offlineCX flyboy From Hong Kong, joined Dec 1999, 6597 posts, RR: 55
Reply 1, posted (8 years 9 months 1 week 6 days 23 hours ago) and read 2581 times:

SATCOM is available in many modern aircraft, where do do pick up the handset and dial a preset number to find Engineering, or a doctor, or Flight Dispatch, Operations, or various ATC centers around the world etc... To dial a different number is not possible. I guess you would have to go and use the phones in the cabin with a credit card!!

As for HF, it is a for long range communications when you are out of range of VHF stations. The quality is not very good and it is very crackly, the quality of the reception also varying from day to night. This is why most HF ATC unites have a range of frequencies for a pilot to try before they eventually get hold of them.


User currently offlineJulesmusician From , joined Dec 1969, posts, RR:
Reply 2, posted (8 years 9 months 1 week 6 days 22 hours ago) and read 2566 times:

Interesting, I was wondering whether the age had finally reached us that you could just "pick up the phone" and talk to someone - but always wondered about the HF - I know VHF is line of sight - does that apply to HF? or what is its range?

J


User currently offlineHAWK21M From India, joined Jan 2001, 31679 posts, RR: 56
Reply 3, posted (8 years 9 months 1 week 6 days 22 hours ago) and read 2557 times:

Quoting Julesmusician (Reply 2):
does that apply to HF? or what is its range?

LINK
regds
MEL



Think of the brighter side!
User currently offlineCX flyboy From Hong Kong, joined Dec 1999, 6597 posts, RR: 55
Reply 4, posted (8 years 9 months 1 week 6 days 22 hours ago) and read 2553 times:

Some people say that on a night with the perfect conditions, you would be able to hear conversations from literally the other side of the world.....I've not heard that though. I have enough trouble getting hold of Calcutta radio when I am flying just off their coast!

User currently offlineJulesmusician From , joined Dec 1969, posts, RR:
Reply 5, posted (8 years 9 months 1 week 6 days 15 hours ago) and read 2492 times:

Interesting - is it still possible to get commercial radio stations on VHF and enjoy the music? I have heard stories - not sure if they are true  Smile

User currently offlineZBBbird From Canada, joined Jul 2004, 58 posts, RR: 1
Reply 6, posted (8 years 9 months 1 week 6 days 13 hours ago) and read 2483 times:

Yes, through the ADF radio you can pick up AM radio stations. Great for listening to the hockey games during a long cross country flight.

User currently offlineCharliecossie From Germany, joined Oct 2001, 479 posts, RR: 9
Reply 7, posted (8 years 9 months 1 week 6 days 13 hours ago) and read 2479 times:

It is not possible to pick up commercial FM (VHF) radio on aircraft sets. They use a different range (aircraft start at 108, basically).

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